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Finding the Third Proportional to 3,182 and 7,319

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Solution

The third proportional to 3,182 and 7,319 is: 16,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182 : 7,319 = 7,319 : x
  2. Step 2: Convert to fraction form
    3,182/7,319 = 7,319/x
  3. Step 3: Cross multiply
    3,182x = 7,319 × 7,319
  4. Step 4: Simplify right side
    3,182x = 53,567,761
  5. Step 5: Solve for x
    x = 53,567,761/3,182
  6. Step 6: Final answer
    x = 16,834.62

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.